2 years ago

What is the specific heat for the steel wire

Chemistry

1 answer:

olganol [36]2 years ago

8 0

I think that the answer is 0.49

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Answer:

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Explanation:

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How many atoms are in 0.625 moles of ge (atomic mass = 72.59 amu)?

lord [1]

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3 years ago

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Soluble means it can be dissolved

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<u>Answer:</u> The amount remained after 151 seconds are 0.041 moles

<u>Explanation:</u>

All the radioactive reactions follows first order kinetics.

Rate law expression for first order kinetics is given by the equation:

$k=\frac{2.303}{t}\log\frac{[A_o]}{[A]}$

where,

k = rate constant = $4.82\times 10^{-3}s^{-1}$

t = time taken for decay process = 151 sec

$[A_o]$ = initial amount of the reactant = 0.085 moles

[A] = amount left after decay process = ?

Putting values in above equation, we get:

$4.82\times 10^{-3}=\frac{2.303}{151}\log\frac{0.085}{[A]}$

$[A]=0.041moles$

Hence, the amount remained after 151 seconds are 0.041 moles

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